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Cheap flights from Billings (BIL) to Seattle (BFI)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
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Cheap flights from Billings to Seattle in April , May 2026

27 Apr - 08 May $ 764.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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27 Apr - 08 May $ 773.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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20 Apr - 08 May $ 786.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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Last minute flights from Billings to Seattle

27 Apr - 01 May $ 801.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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20 Apr - 01 May $ 814.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
2 STOPS
BIL
Billings
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27 Apr - 01 May $ 857.00
BIL
Billings
Allegiant Air
3 STOPS
BFI
Seattle
BFI
Seattle
Allegiant Air
3 STOPS
BIL
Billings
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One-way flights to Seattle from Billings

10:34 AM - 2:45 PM
Air Excursions
3 Stops
30h 1m
BIL - BFI
$ 408
Kiwi
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10:34 AM - 2:45 PM
Air Excursions
3 Stops
30h 1m
BIL - BFI
$ 420
Kiwi
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10:34 AM - 4:05 PM
Air Excursions
3 Stops
31h 21m
BIL - BFI
$ 506
Kiwi
Pick dates

How to find the cheapest flight from Billings (BIL) to Seattle (BFI)

Related info for your journey
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How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Billings (BIL) to Seattle (BFI)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.